ABSTRACT
The role of intercellular influences in the control of differentiation finds many illustrations in the development of amphibian pigmentation. From the time the chromatophores leave the neural crest as colourless, amoeboid cells, until they come to rest as differentiated elements of the distinctive pigment pattern, their developmental behaviour is conditioned throughout by effects exerted mutually by the chromatophores themselves or imposed upon them by the cells of neighbouring tissues. For the purposes of the present discussion, I shall limit myself to examples of intercellular relations affecting (1) the migration of chromatoblasts and (2) their synthesis of pigment.
Copyright © 1953 by Company of Biologists
1953
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